Can you make a bootable USB drive and install from there? https://support.apple.com/en-us/HT201372
Sandor Szatmari > On May 3, 2016, at 19:28, Graham Cox <graham....@bigpond.com> wrote: > > My main dev machine runs the latest OS - 10.11.4 > > I need to install a 10.9 image on a disk partition for development testing. > > How? > > Apple’s dev site is getting worse all the time - wasting its time selling you > something you already have - OS X - but hiding away basic resources, like an > OS 9 installer that I can download. I’ve just spent 20 minutes fruitlessly > searching the dev site. It’s utterly baffling, taking you round and round in > circles. > > How can I do this? Surely it’s actually possible, somehow? > > Note that I do have an old Mavericks Installer, but it refuses to run on > 10.11, saying that the app is too old ro run on this version of the OS. I > also have not been able to set the partition I intend to use (that contains > the installer) as a startup disk. I seem to recall that there was a thread > about this not long ago, I even seem to remember pitching in something, but > now I come to need it myself, I can’t get it to work. > > Very frustrating! > > —Graham > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/admin.szatmari.net%40gmail.com > > This email sent to admin.szatmari....@gmail.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com